|  | .. _QEMU monitor: | 
|  |  | 
|  | QEMU Monitor | 
|  | ------------ | 
|  |  | 
|  | The QEMU monitor is used to give complex commands to the QEMU emulator. | 
|  | You can use it to: | 
|  |  | 
|  | -  Remove or insert removable media images (such as CD-ROM or | 
|  | floppies). | 
|  |  | 
|  | -  Freeze/unfreeze the Virtual Machine (VM) and save or restore its | 
|  | state from a disk file. | 
|  |  | 
|  | -  Inspect the VM state without an external debugger. | 
|  |  | 
|  | Commands | 
|  | ~~~~~~~~ | 
|  |  | 
|  | The following commands are available: | 
|  |  | 
|  | .. hxtool-doc:: hmp-commands.hx | 
|  |  | 
|  | .. hxtool-doc:: hmp-commands-info.hx | 
|  |  | 
|  | Integer expressions | 
|  | ~~~~~~~~~~~~~~~~~~~ | 
|  |  | 
|  | The monitor understands integers expressions for every integer argument. | 
|  | You can use register names to get the value of specifics CPU registers | 
|  | by prefixing them with *$*. |